init commit via android 4.4 uboot

1 files changed, 605 insertions, 0 deletions

diff --git a/board/hermes/hermes.c b/board/hermes/hermes.c
new file mode 100755
index 0000000..e95d9ee
--- /dev/null
+++ b/board/hermes/hermes.c
@@ -0,0 +1,605 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <commproc.h>
+#include <mpc8xx.h>
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# include <status_led.h>
+# define SHOW_BOOT_PROGRESS(arg)	show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)
+#endif
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+static ulong board_init (void);
+static void send_smi_frame (volatile scc_t * sp, volatile cbd_t * bd,
+							uchar * msg);
+
+/* ------------------------------------------------------------------------- */
+
+#define	_NOT_USED_	0xFFFFFFFF
+
+const uint sdram_table[] = {
+	/*
+	 * Single Read. (Offset 0 in UPMA RAM)
+	 */
+	0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00,
+	0x1ff77c47,					/* last */
+	/*
+	 * SDRAM Initialization (offset 5 in UPMA RAM)
+	 *
+	 * This is no UPM entry point. The following definition uses
+	 * the remaining space to establish an initialization
+	 * sequence, which is executed by a RUN command.
+	 *
+	 */
+	0x1fe77c35, 0xffaffc34, 0x1fa57c35,	/* last */
+	/*
+	 * Burst Read. (Offset 8 in UPMA RAM)
+	 */
+	0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00,
+	0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47,	/* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Single Write. (Offset 18 in UPMA RAM)
+	 */
+	0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47,	/* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Burst Write. (Offset 20 in UPMA RAM)
+	 */
+	0x1f07fc04, 0xeeaebc00, 0x10ad4c00, 0xf0afcc00,
+	0xf0afcc00, 0xe1bb8c06, 0x1ff77c47,	/* last */
+	_NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Refresh  (Offset 30 in UPMA RAM)
+	 */
+	0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	0xfffffc84, 0xfffffc07,		/* last */
+	_NOT_USED_, _NOT_USED_,
+	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	/*
+	 * Exception. (Offset 3c in UPMA RAM)
+	 */
+	0x7ffffc07,					/* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_,
+};
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Check Board Identity:
+ *
+ * Test ID string (HERMES...)
+ *
+ * Return code for board revision and network speed
+ */
+
+int checkboard (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	char *s = getenv ("serial#");
+	char *e;
+
+	puts ("Board: ");
+
+	if (!s || strncmp (s, "HERMES", 6)) {
+		puts ("### No HW ID - assuming HERMES-PRO");
+	} else {
+		for (e = s; *e; ++e) {
+			if (*e == ' ')
+				break;
+		}
+
+		for (; s < e; ++s) {
+			putc (*s);
+		}
+	}
+
+	gd->board_type = board_init ();
+
+	printf ("  Rev. %ld.x\n", (gd->board_type >> 16));
+
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+	long int size, size8, size9;
+
+	upmconfig (UPMA, (uint *) sdram_table,
+			   sizeof (sdram_table) / sizeof (uint));
+
+	/*
+	 * Preliminary prescaler for refresh
+	 */
+	memctl->memc_mptpr = 0x0400;
+
+	memctl->memc_mar = 0x00000088;
+
+	/*
+	 * Map controller banks 1 to the SDRAM banks at preliminary address
+	 */
+	memctl->memc_or1 = CFG_OR1_PRELIM;
+	memctl->memc_br1 = CFG_BR1_PRELIM;
+
+	/* HERMES-PRO boards have only one bank SDRAM */
+
+
+	udelay (200);
+
+	/* perform SDRAM initializsation sequence */
+
+	memctl->memc_mamr = 0xD0802114;
+	memctl->memc_mcr = 0x80002105;
+	udelay (1);
+	memctl->memc_mamr = 0xD0802118;
+	memctl->memc_mcr = 0x80002130;
+	udelay (1);
+	memctl->memc_mamr = 0xD0802114;
+	memctl->memc_mcr = 0x80002106;
+
+	udelay (1000);
+
+	/*
+	 * Check Bank 0 Memory Size for re-configuration
+	 *
+	 * try 8 column mode
+	 */
+	size8 = dram_size (CFG_MAMR_8COL, (long *) SDRAM_BASE_PRELIM,
+					   SDRAM_MAX_SIZE);
+
+	udelay (1000);
+
+	/*
+	 * try 9 column mode
+	 */
+	size9 = dram_size (CFG_MAMR_9COL, (long *) SDRAM_BASE_PRELIM,
+					   SDRAM_MAX_SIZE);
+
+	if (size8 < size9) {		/* leave configuration at 9 columns */
+		size = size9;
+/*	debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20);	*/
+	} else {					/* back to 8 columns            */
+		size = size8;
+		memctl->memc_mamr = CFG_MAMR_8COL;
+		udelay (500);
+/*	debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20);	*/
+	}
+
+	udelay (1000);
+
+	memctl->memc_or1 = ((-size) & 0xFFFF0000) | SDRAM_TIMING;
+	memctl->memc_br1 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
+
+	udelay (10000);
+
+	return (size);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+
+static long int dram_size (long int mamr_value, long int *base,
+						   long int maxsize)
+{
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+	memctl->memc_mamr = mamr_value;
+
+	return (get_ram_size(base, maxsize));
+}
+
+/* ------------------------------------------------------------------------- */
+
+#define	PB_LED_3	0x00020000	/* Status LED's */
+#define PB_LED_2	0x00010000
+#define PB_LED_1	0x00008000
+#define PB_LED_0	0x00004000
+
+#define PB_LED_ALL	(PB_LED_0 | PB_LED_1 | PB_LED_2 | PB_LED_3)
+
+#define	PC_REP_SPD1	0x00000800
+#define PC_REP_SPD0	0x00000400
+
+#define PB_RESET_2081	0x00000020	/* Reset PEB2081 */
+
+#define PB_MAI_4	0x00000010	/* Configuration */
+#define PB_MAI_3	0x00000008
+#define PB_MAI_2	0x00000004
+#define PB_MAI_1	0x00000002
+#define PB_MAI_0	0x00000001
+
+#define PB_MAI_ALL	(PB_MAI_0 | PB_MAI_1 | PB_MAI_2 | PB_MAI_3 | PB_MAI_4)
+
+
+#define	PC_REP_MGRPRS	0x0200
+#define PC_REP_SPD	0x0040		/* Select 100 Mbps */
+#define PC_REP_RES	0x0004
+#define PC_BIT14	0x0002		/* ??? */
+#define PC_BIT15	0x0001		/* ??? ENDSL ?? */
+
+/* ------------------------------------------------------------------------- */
+
+static ulong board_init (void)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	ulong reg, revision, speed = 100;
+	int ethspeed;
+	char *s;
+
+	if ((s = getenv ("ethspeed")) != NULL) {
+		if (strcmp (s, "100") == 0) {
+			ethspeed = 100;
+		} else if (strcmp (s, "10") == 0) {
+			ethspeed = 10;
+		} else {
+			ethspeed = 0;
+		}
+	} else {
+		ethspeed = 0;
+	}
+
+	/* Configure Port B Output Pins => 0x0003cc3F */
+	reg = PB_LED_ALL | PC_REP_SPD1 | PC_REP_SPD0 | PB_RESET_2081 |
+			PB_MAI_ALL;
+	immr->im_cpm.cp_pbpar &= ~reg;
+	immr->im_cpm.cp_pbodr &= ~reg;
+	immr->im_cpm.cp_pbdat &= ~reg;	/* all 0 */
+	immr->im_cpm.cp_pbdir |= reg;
+
+	/* Check hardware revision */
+	if ((immr->im_ioport.iop_pcdat & 0x0003) == 0x0003) {
+		/*
+		 * Revision 3.x hardware
+		 */
+		revision = 3;
+
+		immr->im_ioport.iop_pcdat = 0x0240;
+		immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_SPD | PC_REP_RES | PC_BIT14);	/* = 0x0246 */
+		immr->im_ioport.iop_pcdat |= PC_REP_RES;
+	} else {
+		immr->im_ioport.iop_pcdat = 0x0002;
+		immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_RES | PC_BIT14 | PC_BIT15);	/* = 0x0207 */
+
+		if ((immr->im_ioport.iop_pcdat & PC_REP_SPD) == 0) {
+			/*
+			 * Revision 2.x hardware: PC9 connected to PB21
+			 */
+			revision = 2;
+
+			if (ethspeed == 0) {
+				/* both 10 and 100 Mbps allowed:
+				 * select 10 Mbps and autonegotiation
+				 */
+				puts ("  [10+100]");
+				immr->im_cpm.cp_pbdat = 0;	/* SPD1:SPD0 = 0:0 - autonegot. */
+				speed = 10;
+			} else if (ethspeed == 10) {
+				/* we are asked for 10 Mbps,
+				 * so select 10 Mbps
+				 */
+				puts ("  [10]");
+				immr->im_cpm.cp_pbdat = 0;	/* ??? */
+				speed = 10;
+			} else {
+				/* anything else:
+				 * select 100 Mbps
+				 */
+				puts ("  [100]");
+				immr->im_cpm.cp_pbdat = PC_REP_SPD0 | PC_REP_SPD1;
+				/* SPD1:SPD0 = 1:1 - 100 Mbps */
+				speed = 100;
+			}
+			immr->im_ioport.iop_pcdat |= (PC_REP_RES | PC_BIT14);
+
+			/* must be run from RAM  */
+			/* start_lxt980 (speed); */
+		/*************************/
+		} else {
+			/*
+			 * Revision 1.x hardware
+			 */
+			revision = 1;
+
+			immr->im_ioport.iop_pcdat = PC_REP_MGRPRS | PC_BIT14;	/* = 0x0202 */
+			immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_SPD | PC_REP_RES | PC_BIT14 | PC_BIT15);	/* = 0x0247 */
+
+			if (ethspeed == 0) {
+				/* both 10 and 100 Mbps allowed:
+				 * select 100 Mbps and autonegotiation
+				 */
+				puts ("  [10+100]");
+				immr->im_cpm.cp_pbdat = 0;	/* SPD1:SPD0 = 0:0 - autonegot. */
+				immr->im_ioport.iop_pcdat |= PC_REP_SPD;
+			} else if (ethspeed == 10) {
+				/* we are asked for 10 Mbps,
+				   * so select 10 Mbps
+				 */
+				puts ("  [10]");
+				immr->im_cpm.cp_pbdat = PC_REP_SPD0;	/* SPD1:SPD0 = 0:1 - 10 Mbps */
+			} else {
+				/* anything else:
+				   * select 100 Mbps
+				 */
+				puts ("  [100]");
+				immr->im_cpm.cp_pbdat = PC_REP_SPD0 | PC_REP_SPD1;
+				/* SPD1:SPD0 = 1:1 - 100 Mbps */
+				immr->im_ioport.iop_pcdat |= PC_REP_SPD;
+			}
+
+			immr->im_ioport.iop_pcdat |= PC_REP_RES;
+		}
+	}
+	SHOW_BOOT_PROGRESS (0x00);
+
+	return ((revision << 16) | (speed & 0xFFFF));
+}
+
+/* ------------------------------------------------------------------------- */
+
+#define SCC_SM		1			/* Index => SCC2 */
+#define	PROFF		PROFF_SCC2
+
+#define SMI_MSGLEN	8			/* Length of SMI Messages        */
+
+#define PHYGPCR_ADDR	0x109	/* Port Enable               */
+#define PHYPCR_ADDR	0x132		/* PHY Port Control Reg. (port 1)    */
+#define LEDPCR_ADDR	0x141		/* LED Port Control Reg.         */
+#define RPRESET_ADDR	0x144	/* Repeater Reset            */
+
+#define PHYPCR_SPEED	0x2000	/* on for 100 Mbps, off for 10 Mbps  */
+#define PHYPCR_AN	0x1000		/* on to enable  Auto-Negotiation    */
+#define PHYPCR_REST_AN	0x0200	/* on to restart Auto-Negotiation    */
+#define PHYPCR_FDX	0x0100		/* on for Full Duplex, off for HDX   */
+#define PHYPCR_COLT	0x0080		/* on to enable COL signal test      */
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Must run from RAM:
+ * uses parameter RAM area which is used for stack while running from ROM
+ */
+void hermes_start_lxt980 (int speed)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+	volatile cpm8xx_t *cp = (cpm8xx_t *) & (immr->im_cpm);
+	volatile scc_t *sp = (scc_t *) & (cp->cp_scc[SCC_SM]);
+	volatile cbd_t *bd;
+	volatile hdlc_pram_t *hp;
+	uchar smimsg[SMI_MSGLEN];
+	ushort phypcrval;
+	uint bd_off;
+	int pnr;
+
+	printf ("LXT9880: %3d Mbps\n", speed);
+
+	immr->im_ioport.iop_paodr |= 0x0008;	/* init PAODR: PA12 (TXD2) open drain */
+	immr->im_ioport.iop_papar |= 0x400c;	/* init PAPAR: TXD2, RXD2, BRGO4 */
+	immr->im_ioport.iop_padir &= 0xbff3;	/* init PADIR: BRGO4 */
+	immr->im_ioport.iop_padir |= 0x4000;
+
+	/* get temporary BD; no need for permanent alloc */
+	bd_off = dpram_base_align (8);
+
+	bd = (cbd_t *) (immr->im_cpm.cp_dpmem + bd_off);
+
+	bd->cbd_bufaddr = 0;
+	bd->cbd_datlen = 0;
+	bd->cbd_sc = BD_SC_WRAP | BD_SC_LAST | BD_SC_INTRPT | BD_SC_TC;
+
+	/* init. baudrate generator BRG4 */
+	cp->cp_brgc4 = (0x00010000 | (50 << 1));	/* output 1 MHz */
+
+	cp->cp_sicr &= 0xFFFF00FF;	/* SICR: mask SCC2 */
+	cp->cp_sicr |= 0x00001B00;	/* SICR: SCC2 clk BRG4 */
+
+	/* init SCC_SM register */
+	sp->scc_psmr = 0x0000;		/* init PSMR: no additional flags */
+	sp->scc_todr = 0x0000;
+	sp->scc_dsr = 0x7e7e;
+
+	/* init. SCC_SM parameter area */
+	hp = (hdlc_pram_t *) & cp->cp_dparam[PROFF];
+
+	hp->tbase = bd_off;			/* offset from beginning of DPRAM */
+
+	hp->rfcr = 0x18;
+	hp->tfcr = 0x18;
+	hp->mrblr = 10;
+
+	hp->c_mask = 0x0000f0b8;
+	hp->c_pres = 0x0000ffff;
+
+	hp->disfc = 0;
+	hp->crcec = 0;
+	hp->abtsc = 0;
+	hp->nmarc = 0;
+	hp->retrc = 0;
+
+	hp->mflr = 10;
+
+	hp->rfthr = 1;
+
+	hp->hmask = 0;
+	hp->haddr1 = 0;
+	hp->haddr2 = 0;
+	hp->haddr3 = 0;
+	hp->haddr4 = 0;
+
+	cp->cp_cpcr = SCC_SM << 6 | 0x0001;	/* SCC_SM: init TX/RX params */
+	while (cp->cp_cpcr & CPM_CR_FLG);
+
+	/* clear all outstanding SCC events */
+	sp->scc_scce = ~0;
+
+	/* enable transmitter: GSMR_L: TPL=2(16bits), TPP=3(all ones), ENT */
+	sp->scc_gsmrh = 0;
+	sp->scc_gsmrl |= SCC_GSMRL_TPL_16 | SCC_GSMRL_TPP_ALL1 |
+			SCC_GSMRL_ENT | SCC_GSMRL_MODE_HDLC;
+
+#if 0
+	smimsg[0] = 0x00;			/* CHIP/HUB ID */
+	smimsg[1] = 0x38;			/* WRITE CMD */
+	smimsg[2] = (RPRESET_ADDR << 4) & 0xf0;
+	smimsg[3] = RPRESET_ADDR >> 4;
+	smimsg[4] = 0x01;
+	smimsg[5] = 0x00;
+	smimsg[6] = 0x00;
+	smimsg[7] = 0x00;
+
+	send_smi_frame (sp, bd, smimsg);
+#endif
+
+	smimsg[0] = 0x7f;			/* BROADCAST */
+	smimsg[1] = 0x34;			/* ASSIGN HUB ID */
+	smimsg[2] = 0x00;
+	smimsg[3] = 0x00;
+	smimsg[4] = 0x00;			/* HUB ID = 0 */
+	smimsg[5] = 0x00;
+	smimsg[6] = 0x00;
+	smimsg[7] = 0x00;
+
+	send_smi_frame (sp, bd, smimsg);
+
+	smimsg[0] = 0x7f;			/* BROADCAST */
+	smimsg[1] = 0x3c;			/* SET ARBOUT TO 0 */
+	smimsg[2] = 0x00;			/* ADDRESS = 0 */
+	smimsg[3] = 0x00;
+	smimsg[4] = 0x00;			/* DATA = 0 */
+	smimsg[5] = 0x00;
+	smimsg[6] = 0x00;
+	smimsg[7] = 0x00;
+
+	send_smi_frame (sp, bd, smimsg);
+
+	if (speed == 100) {
+		phypcrval = PHYPCR_SPEED;	/* 100 MBIT, disable autoneg. */
+	} else {
+		phypcrval = 0;			/* 10 MBIT, disable autoneg. */
+	}
+
+	/* send MSGs */
+	for (pnr = 0; pnr < 8; pnr++) {
+		smimsg[0] = 0x00;		/* CHIP/HUB ID */
+		smimsg[1] = 0x38;		/* WRITE CMD */
+		smimsg[2] = ((PHYPCR_ADDR + pnr) << 4) & 0xf0;
+		smimsg[3] = (PHYPCR_ADDR + pnr) >> 4;
+		smimsg[4] = (unsigned char) (phypcrval & 0xff);
+		smimsg[5] = (unsigned char) (phypcrval >> 8);
+		smimsg[6] = 0x00;
+		smimsg[7] = 0x00;
+
+		send_smi_frame (sp, bd, smimsg);
+	}
+
+	smimsg[0] = 0x00;			/* CHIP/HUB ID */
+	smimsg[1] = 0x38;			/* WRITE CMD */
+	smimsg[2] = (PHYGPCR_ADDR << 4) & 0xf0;
+	smimsg[3] = PHYGPCR_ADDR >> 4;
+	smimsg[4] = 0xff;			/* enable port 1-8 */
+	smimsg[5] = 0x01;			/* enable MII1 (0x01) */
+	smimsg[6] = 0x00;
+	smimsg[7] = 0x00;
+
+	send_smi_frame (sp, bd, smimsg);
+
+	smimsg[0] = 0x00;			/* CHIP/HUB ID */
+	smimsg[1] = 0x38;			/* WRITE CMD */
+	smimsg[2] = (LEDPCR_ADDR << 4) & 0xf0;
+	smimsg[3] = LEDPCR_ADDR >> 4;
+	smimsg[4] = 0xaa;			/* Port 1-8 Conf.bits = 10 (Hardware control) */
+	smimsg[5] = 0xaa;
+	smimsg[6] = 0x00;
+	smimsg[7] = 0x00;
+
+	send_smi_frame (sp, bd, smimsg);
+
+	/*
+	 * Disable Transmitter (so that we can free the BD, too)
+	 */
+	sp->scc_gsmrl &= ~SCC_GSMRL_ENT;
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void send_smi_frame (volatile scc_t * sp, volatile cbd_t * bd,
+							uchar * msg)
+{
+#ifdef DEBUG
+	unsigned hub, chip, cmd, length, addr;
+
+	hub = msg[0] & 0x1F;
+	chip = msg[0] >> 5;
+	cmd = msg[1] & 0x1F;
+	length = (msg[1] >> 5) | ((msg[2] & 0x0F) << 3);
+	addr = (msg[2] >> 4) | (msg[3] << 4);
+
+	printf ("SMI send: Hub %02x Chip %x Cmd %02x Len %d Addr %03x: "
+			"%02x %02x %02x %02x\n",
+			hub, chip, cmd, length, addr, msg[4], msg[5], msg[6], msg[7]);
+#endif /* DEBUG */
+
+	bd->cbd_bufaddr = (uint) msg;
+	bd->cbd_datlen = SMI_MSGLEN;
+	bd->cbd_sc |= BD_SC_READY;
+
+	/* wait for msg transmitted */
+	while ((sp->scc_scce & 0x0002) == 0);
+	/* clear all events */
+	sp->scc_scce = ~0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+void show_boot_progress (int status)
+{
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+
+	status ^= 0x0F;
+	status = (status & 0x0F) << 14;
+	immr->im_cpm.cp_pbdat = (immr->im_cpm.cp_pbdat & ~PB_LED_ALL) | status;
+}
+
+/* ------------------------------------------------------------------------- */